/**
 * Created by jiachenpan on 16/11/18.
 */

export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if (('' + time).length === 10) time = parseInt(time) * 1000
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const timeStr = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    if (key === 'a') {
      return ['日', '一', '二', '三', '四', '五', '六'][value]
    }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return timeStr
}

export function formatTime(time, option) {
  time = +time * 1000
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

export function objectMerge(target, source) {
  /* Merges two  objects,
     giving the last one precedence */

  if (typeof target !== 'object') {
    target = {}
  }
  if (Array.isArray(source)) {
    return source.slice()
  }
  Object.keys(source).forEach(property => {
    const sourceProperty = source[property]
    if (typeof sourceProperty === 'object') {
      target[property] = objectMerge(target[property], sourceProperty)
    } else {
      target[property] = sourceProperty
    }
  })
  return target
}

export function cloneObject(target, source) {
  if (typeof target !== 'object') {
    target = {}
  }
  Object.keys(target).forEach(property => {
    const sourceProperty = source[property]
    target[property] = sourceProperty
  })
  return target
}

export function reolveTime(timeStr) {
  timeStr = timeStr.split('.')[0]
  timeStr = timeStr.replace('-', '/')
  timeStr = timeStr.replace('-', '/')
  timeStr = timeStr.replace('T', ' ')
  var time = new Date(timeStr)
  return time
}


export function GetQueryString(name) {
  var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
  var r = window.location.search.substr(1).match(reg); //search,查询？后面的参数，并匹配正则
  if (r != null) return unescape(r[2]);
  return null;
}

//计算两个日期的天数差
export function dateDiff(firstDate, secondDate) {
  var first = new Date(firstDate.split(' ')[0]);
  var second = new Date(secondDate);
  var result = Math.floor((first - second) / (1000 * 60 * 60 * 24));
  return result
}

export function weekDate(newDate, lastDate) {
  if (newDate && lastDate) {
    let dateDiffs = dateDiff(newDate, lastDate)
    let weeks = Math.floor(dateDiffs / 7)
    let days = dateDiffs % 7
    return (weeks < 0 || days < 0) ? '-' : `${weeks}周${days}天`
  }
  return ''
}

/* 手机号码和固定电话 */
export function validatePhTelNumber(str) {
  const reg = /^((0\d{2,3}-\d{7,8})|(1[3456789]\d{9}))$/;
  return reg.test(str);
}
export function deepCopy(obj) {
  var result = Array.isArray(obj) ? [] : {};
  for (var key in obj) {
    if (obj.hasOwnProperty(key)) {
      if (typeof obj[key] === "object" && obj[key] !== null) {
        result[key] = deepCopy(obj[key]); //递归复制
      } else {
        result[key] = obj[key];
      }
    }
  }
  return result;
}